题目内容

At first, he was afraid of being off by himself. Shortly, __________, he became used to living alone.

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Children in China __________ school at the age of 6 or 7 and must study there for at least nine years.

The earth is __________ by air, which makes up its atmosphere (大气层).

If you can’t __________ the job, I’ll get someone else to do it.

John was so __________ and warm in bed that he didn’t want to get up.

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